if r.status_code in (429, 503):
There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:
隐秘大佬的矿业征途姚雄杰是谁？这个问题放在十年前，恐怕资本市场知之者甚少。即便是今天，关于这位福建龙岩富豪的早年发迹史，外界依然知道的不多。，更多细节参见WPS官方版本下载
1993年，26岁的姚雄杰创立了深圳雄震投资公司（后改名盛屯集团），正式开启了自己的资本征途。五年后，雄震投资受让中国宝安集团持有的2400万股龙舟股份股权，成为第一大股东，并将其改名为雄震集团。，详情可参考51吃瓜
（二）在公共场所停放尸体或者因停放尸体影响他人正常生活、工作秩序，不听劝阻的。
They complement each other perfectly and allow for a modern and efficient process for managing Linux servers.，这一点在爱思助手下载最新版本中也有详细论述